3493940 has 24 divisors (see below), whose sum is σ = 7417032. Its totient is φ = 1382400.

The previous prime is 3493939. The next prime is 3493951. The reversal of 3493940 is 493943.

It can be written as a sum of positive squares in 4 ways, for example, as 26896 + 3467044 = 164^2 + 1862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3493897 and 3493906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (309043).

Almost surely, 2^3493940 is an apocalyptic number.

It is an amenable number.

3493940 is an abundant number, since it is smaller than the sum of its proper divisors (3923092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3493940 is a wasteful number, since it uses less digits than its factorization.

3493940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3493940 is about 1869.2083885966. The cubic root of 3493940 is about 151.7417706899.

The spelling of 3493940 in words is "three million, four hundred ninety-three thousand, nine hundred forty".